Level editor was cool, but in a game jam that probably wasn't the main thing to focus on, just for future reference. Adding a skybox and improving the fact that the body of water was a plane instead of infinite (even if there were invis border) would've very much improved the look. Spicing up the main menu and UI is also another thing I would put a little more time in, I feel many people often make a bare bones menu but I personally think that first impression is quite important. Overall solid game, good work for such a short time! :)